Home / 1,353,035.64-1,866,725.52-771,841.20

Finding the Fourth Proportional to 1,353,035.64, 1,866,725.52 and 771,841.20

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Solution

The fourth proportional to 1,353,035.64, 1,866,725.52 and 771,841.20 is: 1,064,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,035.64 : 1,866,725.52 = 771,841.20 : x
  2. Step 2: Convert to fraction form
    1,353,035.64/1,866,725.52 = 771,841.20/x
  3. Step 3: Cross multiply
    1,353,035.64x = 1,866,725.52 × 771,841.20
  4. Step 4: Simplify right side
    1,353,035.64x = 1,440,815,665,427.42
  5. Step 5: Solve for x
    x = 1,440,815,665,427.42/1,353,035.64
  6. Step 6: Final answer
    x = 1,064,876.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.